Endosponge for Evaluation of Barrett‘s Esophagus

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Source of last photo: GIE

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Source of last photo: GIE

This sponge is a cell collection device that functions as a non-endoscopic form of screening for Barrett’s esophagus.

A polyester sponge material is compressed within a capsule that measures about 8.5 mm in diameter and 25 mm in length. 

 

The capsule, which is composed of a disposable  vegetable gelatin that dissolves in the stomach, is attached to a string. 

 

The sponge is exposed after about 5 minutes and once it’s fully expanded it’s pulled out, “scratching” the esophagus and bringing cells back. 

 

Ref; Navaneethan U et al TECHNOLOGY STATUS EVALUATION REPORT| VOLUME 90, ISSUE 3, P325-334, 2019

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